ultrasonic pulse velocity in concrete made with recycled

Ultrasonic pulse velocity in concrete made with recycled ...

Jun 22, 2021  10%  A detailed experimental investigation was carried out to understand the effect of ultrasonic pulse velocity (UPV) in concrete made with recycled brick aggregate (RBA). For this, cylindrical concrete specimens of 100 mm

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Ultrasonic Pulse Velocity Test - an overview ...

17.2.2.6 Ultrasonic pulse velocity test. Ultrasonic pulse velocity (UPV) test is a nondestructive popular test used to examine the homogeneity, quality, cracks, cavities, and defects in concrete. Kurup and Kumar (2017a) evaluated the quality of concrete made with PVC fibres using UPV tester. It was reported that UPV of specimens decreased with ...

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(PDF) MEASUREMENT OF ULTRASONIC PULSE VELOCITY IN

Table 2: Summary of statistical analysis of ultrasonic pulse velocity for saturated condition Aggregate Pearson Co-efficient of Equation Sig-F Correlation type coefficient determination, (t) Brick 0.977 = 0.955 y= -69.395 + 0.023268x 0.000 Strong Recycled 0.718 =0.515 y= -32.315 + 0.012657x 0.000 Strong brick Stone 0.783 = 0.613 y= -100.09 + 0 ...

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Eco-friendly concrete containing recycled plastic as ...

May 01, 2020  Ultrasonic pulse velocity, which reflected the quality of the concrete, decreased with an increase in the proportion of PET. Pulse velocity decreased from 4.5 km/s to 1.9 km/s. This condition can reflect the poor quality of concrete in the presence of plastic.

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Compressive Strength Formula for Concrete using Ultrasonic ...

between the ultrasonic pulse velocity (UPV) and the compressive strength of concrete. The specimens used in the study were made of concrete with a varied cube compressive strength from 18 to 55MPa. Number of specimens was over 800 received from various construction projects of controlled concrete quality and tested by the Hawler

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Ultrasonic Pulse Velocity Test - an overview ...

17.2.2.6 Ultrasonic pulse velocity test. Ultrasonic pulse velocity (UPV) test is a nondestructive popular test used to examine the homogeneity, quality, cracks, cavities, and defects in concrete. Kurup and Kumar (2017a) evaluated the quality of concrete made with PVC fibres using UPV tester. It was reported that UPV of specimens decreased with ...

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EXPERIMENTAL STUDIES ON THE HOMOGENEITY AND

Recycled Aggregate Concrete (RAC) Using Ultrasonic Pulse Velocity (UPV) 3. EXPERIMENTAL WORKS There were three main experimental works performed in this research. The first experiment was carried out to measure wave propagation through RAC from the earliest age of the concrete. This measurement expected to study the homogeneity of concrete.

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Eco-friendly concrete containing recycled plastic as ...

May 01, 2020  Ultrasonic pulse velocity, which reflected the quality of the concrete, decreased with an increase in the proportion of PET. Pulse velocity decreased from 4.5 km/s to 1.9 km/s. This condition can reflect the poor quality of concrete in the presence of plastic.

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Non-destructive prediction of strength of concrete made by ...

N2 - The aim of this research was to develop an equation to predict the compressive strength of concrete in terms of ultrasonic pulse velocity (UPV) and concrete mix design parameters. A wide range of concrete samples were prepared with varying water-cement ratio and density.

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ANALYTICAL MODEL OF ULTRASONIC PULSE VELOCITY OF

732 Journal of Marine Science and Technology, Vol. 23, No. 5, pp. 732-740 (2015) DOI: 10.6119/JMST-015-0609-1 ANALYTICAL MODEL OF ULTRASONIC PULSE VELOCITY OF WASTE LCD GLASS CONCRETE Chien-Chih Wang 1, Her-Yung Wang2, Shyh-Haur Chen2, and Chi Huang2 Key words: concrete, liquid crystal glasses, ultrasonic pulse velocity,

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(PDF) MEASUREMENT OF ULTRASONIC PULSE VELOCITY IN CONCRETE ...

CICM 2015 First International Conference on Advances in Civil Infrastructure and Construction Materials MIST, Dhaka, Bangladesh, 14–15 December 2015 MEASUREMENT OF ULTRASONIC PULSE VELOCITY IN CONCRETE FOR ASSESSING COMPRESSIVE STRENGTH Fatema T Johora1, Chowdhury M Toufiq Amin1, S M Ibrahim1, A Haque1, AFM Saiful Amin2 1 Department of Civil

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Compressive Strength Formula for Concrete using

between the ultrasonic pulse velocity (UPV) and the compressive strength of concrete. The specimens used in the study were made of concrete with a varied cube compressive strength from 18 to 55MPa. Number of specimens was over 800 received from various construction projects of controlled concrete quality and tested by the Hawler

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Non-destructive prediction of strength of concrete made by ...

Jan 01, 2021  Prediction of concrete strength using ultrasonic pulse velocity and artificial neural networks Ultrasonics , 49 ( 2009 ) , pp. 53 - 60 , 10.1016/j.ultras.2008.05.001 Article Download PDF View Record in Scopus Google Scholar

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Ultrasonic Pulse Velocity Meter - iricen.gov

The quality of concrete in terms of uniformity, incidence or absence of internal flaws, cracks and segregation, etc, indicative of the level of workmanship employed; can thus be assessed using the guidelines given in Table 2, which have been evolved for characterising the quality of concrete in structures in terms of the ultrasonic pulse velocity.

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Non-destructive evaluation of reclaimed asphalt cement ...

Gan, Hutchins, Berriman, 2004). Ultrasonic pulse velocity (UPV) is one of the com-monly used non-destructive tests in the concrete construction industry. The speed of ultrasonic waves through concrete provides an indication of the quality of concrete and the presence of cracks or defects. It can be used to provide a measure of elastic modulus

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(PDF) Strength evaluation of recycled aggregate concrete ...

36 3.0 l..O I.-2 1,.l, The relationship between the compressive strength and rebound number for the water-cured concrete made with PULSE VELOCITY,V (kin s" l ) either natural aggregates or recycled aggregates is Fig. 6 Effect of pulse velocity on the strength ratio (recycled presented in Fig. 8.

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Assessing the Performance of Self-Compacting Concrete Made ...

The current study assess the performance of self-compacting concrete (SCC) made with coarse recycled concrete aggregates (RCA) and CBA using ultrasonic pulse velocity (UPV) tests at different curing ages. Compressive strength and workability tests have also been conducted for reference. It has been noticed that with the incorporation of RCA (0 ...

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Assessment of Strength of Concrete by Non-Destructive ...

of concrete and the velocity of an ultrasonic pulse that passes through the material. The velocity of the ultrasonic waves in an isotropic medium is a function of the elastic modulli and the density of the material. The ultrasonic pulse velocity method involves measurement of travel time over a known path length of a pulse of ultrasonic waves.

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Improving the Durability Properties of Self-Consolidating ...

Feb 17, 2021  Moreover, the addition of MK makes concrete denser due to their pore filling ability which in results resist the water allowance in the concrete . Ultrasonic Pulse Velocity Test Results. Ultrasonic Pulse Velocity test results of SCCs with 50% content of CRCA and various percentage substitutions of FNA with FRCA are given in Fig. 15.

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Ultrasonic Pulse Velocity Evaluation of Cementitious Materials

17 Ultrasonic Pulse Velocity Evaluation of Cementitious Materials T. H. Panzera 1, A. L. Christoforo 1, F. P. Cota 1, P. H. R. Borges 2 and C. R. Bowen 3 1Department of Mechanical Engineering, Federal University of São João del Rei - UFSJ, Praça Frei Orlando, 170 São João Del Rei MG, 2Department of Civil Engineering, Federal Ce ntre for Technological Education of Minas

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Experimental Studies on the Homogeneity and Compressive ...

Vol 3, No 2 (2020) > Articles > Experimental Studies on the Homogeneity and Compressive Strength Prediction of Recycled Aggregate Concrete (RAC) Using Ultrasonic Pulse Velocity (UPV)

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Assessing the Performance of Self-Compacting Concrete Made ...

The current study assess the performance of self-compacting concrete (SCC) made with coarse recycled concrete aggregates (RCA) and CBA using ultrasonic pulse velocity (UPV) tests at different curing ages. Compressive strength and workability tests have also been conducted for reference. It has been noticed that with the incorporation of RCA (0 ...

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ANALYTICAL MODEL OF ULTRASONIC PULSE VELOCITY OF

732 Journal of Marine Science and Technology, Vol. 23, No. 5, pp. 732-740 (2015) DOI: 10.6119/JMST-015-0609-1 ANALYTICAL MODEL OF ULTRASONIC PULSE VELOCITY OF WASTE LCD GLASS CONCRETE Chien-Chih Wang 1, Her-Yung Wang2, Shyh-Haur Chen2, and Chi Huang2 Key words: concrete, liquid crystal glasses, ultrasonic pulse velocity,

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"Non-destructive prediction of strength of concrete made ...

The aim of this research was to develop an equation to predict the compressive strength of concrete in terms of ultrasonic pulse velocity (UPV) and concrete mix design parameters. A wide range of concrete samples were prepared with varying water-cement ratio and density. The variation of density was achieved by using lightweight recycled coarse aggregate, and high density nickel slag aggregate ...

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Performance of Steel Fiber-Reinforced Alkali-Activated ...

1 天前  4.7.1. Ultrasonic Pulse Velocity The ultrasonic pulse velocity (UPV) can be employed in indirectly assessing the con-crete quality and durability. The UPV results of alkali-activated slag-fly ash (3:1) blended concrete are presented in Figure 19a. Values were in the range of 4.6 and 6.6 km/s. An

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Compressive Strength Formula for Concrete using

between the ultrasonic pulse velocity (UPV) and the compressive strength of concrete. The specimens used in the study were made of concrete with a varied cube compressive strength from 18 to 55MPa. Number of specimens was over 800 received from various construction projects of controlled concrete quality and tested by the Hawler

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Investigation of cement based composites made with ...

of elasticity, adhesion to concrete substrate, water absorption, freeze-thaw resistance and ultrasonic pulse velocity. The obtained results indicate that recycled rubber can be successfully applied as a partial replacement of natural river aggregate in cement based composites, in accordance with the sustainable development concept. The ...

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Influence of Recycled Construction Materials Aggregate on ...

of recycled concrete can be 10% to 25% lower than that of conventional concrete made with natural coarse aggregate. Kwan et al. [8] observed in his study that the physical and mechanical properties of recycled concrete aggregates replacements up to 80% are good results for UPV (ultrasonic pulse velocity), compressive strength.

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Ultrasonic Pulse Velocity Test UPV Test

The Ultrasonic pulse velocity test is performed on concrete to assess the quality of concrete by passing ultrasonic pulse velocity through it as per IS: 13311 (Part 1) – 1992. The method consists of measuring the time of travel of an ultrasonic pulse passing through the concrete. The high velocity of ultrasonic pulse velocity and lower time ...

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Properties of Steel Fiber-Reinforced Alkali-Activated Slag ...

Jul 18, 2021  bulk resistivity, ultrasonic pulse velocity, and abrasion resistance. Steel fiber incorporation in RCA-based mixes densified the concrete and improved its resistance to abrasion, water permeation, and transport, thereby enhancing its mechanical properties to exceed that

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Determination of the dynamic elastic constants of recycled ...

The determination of the dynamic elastic modulus was made using the ultrasonic pulse velocity method. The results reveal that the existence of recycled aggregates affects the properties of concrete negatively; however, in low levels of substitution the influence of using recycled

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Assessment of Strength of Concrete by Non-Destructive ...

of concrete and the velocity of an ultrasonic pulse that passes through the material. The velocity of the ultrasonic waves in an isotropic medium is a function of the elastic modulli and the density of the material. The ultrasonic pulse velocity method involves measurement of travel time over a known path length of a pulse of ultrasonic waves.

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Some mechanical properties of normal and recycled ...

Recycled aggregate concrete was made with 100% ne and coarse recycled aggregates. The mix propor-tions of the concrete mixes are shown in Table 3. ... Ultrasonic pulse velocity tests, which are nondestruc-tive tests for measuring porosity, were performed on

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